Java设计模块系列之书店管理系统单机版(三)

2024-10-01 23:34:47

介绍

今天对系列二的一个添加用户的输入小bug进行了解决，增加了用户模块的，删除用户，和修改用户模块。

下面的代码是相对于系列二来说进行了修改或者是增加的类.

先看AddPanel类的修改：
在收集参数的时候进行防范就可防止那个bug了。

cn.hncu.bookStore.user.ui;

AddPanel类：（添加用户模块）

/*
 * AddPanel.java
 *
 * Created on __DATE__, __TIME__
 */

package cn.hncu.bookStore.user.ui;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

import cn.hncu.bookStore.common.UserTypeEnum;
import cn.hncu.bookStore.user.business.ebi.UserEbi;
import cn.hncu.bookStore.user.business.factory.UserEbiFactory;
import cn.hncu.bookStore.user.vo.UserModel;
import cn.hncu.bookStore.util.FileIoUtil;

/**
 *
 * @author 陈浩翔
 */
public class AddPanel extends javax.swing.JPanel {
 private JFrame mainFrame = null;

 /** Creates new form AddPanel */
 public AddPanel(JFrame mainFrame) {
  this.mainFrame = mainFrame;
  initComponents();
  myInitData();
 }

 private void myInitData() {
  for (UserTypeEnum type : UserTypeEnum.values()) {
   combType.addItem(type.getName());
  }
 }

 /** This method is called from within the constructor to
  * initialize the form.
  * WARNING: Do NOT modify this code. The content of this method is
  * always regenerated by the Form Editor.
  */
 //GEN-BEGIN:initComponents
 // <editor-fold defaultstate="collapsed" desc="Generated Code">
 private void initComponents() {

  jLabel1 = new javax.swing.JLabel();
  jLabel2 = new javax.swing.JLabel();
  tfdName = new javax.swing.JTextField();
  jLabel3 = new javax.swing.JLabel();
  tfdUuid = new javax.swing.JTextField();
  jLabel4 = new javax.swing.JLabel();
  tfdPwd2 = new javax.swing.JPasswordField();
  jLabel5 = new javax.swing.JLabel();
  jLabel6 = new javax.swing.JLabel();
  combType = new javax.swing.JComboBox();
  tfdPwd = new javax.swing.JPasswordField();
  btnAdd = new javax.swing.JButton();
  btnBack = new javax.swing.JButton();

  setMinimumSize(new java.awt.Dimension(800, 600));
  setLayout(null);

  jLabel1.setFont(new java.awt.Font("微软雅黑", 1, 48));
  jLabel1.setForeground(new java.awt.Color(204, 0, 0));
  jLabel1.setText("\u6dfb\u52a0\u7528\u6237");
  add(jLabel1);
  jLabel1.setBounds(330, 30, 230, 80);

  jLabel2.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel2.setText("\u7528\u6237\u7c7b\u578b:");
  add(jLabel2);
  jLabel2.setBounds(90, 310, 90, 30);

  tfdName.setFont(new java.awt.Font("Dialog", 1, 18));
  tfdName.setAutoscrolls(false);
  add(tfdName);
  tfdName.setBounds(470, 160, 120, 30);

  jLabel3.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel3.setText("uuid:");
  add(jLabel3);
  jLabel3.setBounds(120, 160, 50, 30);

  tfdUuid.setFont(new java.awt.Font("Dialog", 1, 12));
  add(tfdUuid);
  tfdUuid.setBounds(190, 160, 110, 30);

  jLabel4.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel4.setText("\u59d3\u540d:");
  add(jLabel4);
  jLabel4.setBounds(410, 160, 50, 30);

  tfdPwd2.setFont(new java.awt.Font("宋体", 1, 18));
  add(tfdPwd2);
  tfdPwd2.setBounds(470, 240, 170, 30);

  jLabel5.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel5.setText("\u5bc6\u7801:");
  add(jLabel5);
  jLabel5.setBounds(120, 240, 50, 30);

  jLabel6.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel6.setText("\u786e\u8ba4\u5bc6\u7801:");
  add(jLabel6);
  jLabel6.setBounds(380, 240, 90, 30);

  combType.setFont(new java.awt.Font("Dialog", 1, 18));
  combType.setForeground(new java.awt.Color(51, 51, 255));
  combType.setModel(new javax.swing.DefaultComboBoxModel(
    new String[] { "请选择..." }));
  add(combType);
  combType.setBounds(190, 310, 160, 30);

  tfdPwd.setFont(new java.awt.Font("宋体", 1, 18));
  add(tfdPwd);
  tfdPwd.setBounds(190, 240, 160, 30);

  btnAdd.setFont(new java.awt.Font("Dialog", 1, 24));
  btnAdd.setForeground(new java.awt.Color(0, 204, 204));
  btnAdd.setText("\u6dfb\u52a0");
  btnAdd.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnAddActionPerformed(evt);
   }
  });
  add(btnAdd);
  btnAdd.setBounds(190, 430, 120, 60);

  btnBack.setFont(new java.awt.Font("Dialog", 1, 24));
  btnBack.setForeground(new java.awt.Color(0, 204, 204));
  btnBack.setText("\u8fd4\u56de");
  btnBack.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnBackActionPerformed(evt);
   }
  });
  add(btnBack);
  btnBack.setBounds(520, 430, 120, 60);
 }// </editor-fold>
 //GEN-END:initComponents

 private void back() {
  mainFrame.setContentPane(new ListPanel(mainFrame));
  mainFrame.validate();
 }

 /**
  *监听返回按钮
  * @param 返回按钮的点击监听
  */
 private void btnBackActionPerformed(java.awt.event.ActionEvent evt) {
  back();
 }

 private void btnAddActionPerformed(java.awt.event.ActionEvent evt) {
  //1收集参数
  String uuid = tfdUuid.getText();
  String name = tfdName.getText();
  String pwd = new String(tfdPwd.getPassword());
  String pwd2 = new String(tfdPwd2.getPassword());
  //System.out.println(uuid);

  //System.out.println(uuid+","+name+","+pwd);
  if (uuid.equals("") || uuid.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame, "用户ID为空，请重新输入！");
   return;
  }

  if (name.equals("") || name.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame, "用户名为空，请重新输入！");
   return;
  }

  if (!pwd.equals(pwd2) || pwd.equals("") || pwd.equals(null)
    || pwd2.equals("") || pwd2.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame, "两次密码输入不一致或密码为空，请重新输入！");
   return;
  }
  int type = 0;

  try {
   type = UserTypeEnum.getTypeByName(combType.getSelectedItem()
     .toString());
  } catch (Exception e) {
   JOptionPane.showMessageDialog(mainFrame, "请指定用户类型!");
   return;
  }

  //2组织参数
  UserModel user = new UserModel();
  user.setName(name);
  user.setPwd(pwd);
  user.setType(type);
  user.setUuid(uuid);

  //3调用逻辑层
  UserEbi ebi = UserEbiFactory.getUserEbi();

  //4根据调用返回结果导向不同页面
  if (ebi.create(user)) {
   back();
  } else {
   JOptionPane.showMessageDialog(null, "该用户已经存在!");
  }
 }

 //GEN-BEGIN:variables
 // Variables declaration - do not modify
 private javax.swing.JButton btnAdd;
 private javax.swing.JButton btnBack;
 private javax.swing.JComboBox combType;
 private javax.swing.JLabel jLabel1;
 private javax.swing.JLabel jLabel2;
 private javax.swing.JLabel jLabel3;
 private javax.swing.JLabel jLabel4;
 private javax.swing.JLabel jLabel5;
 private javax.swing.JLabel jLabel6;
 private javax.swing.JTextField tfdName;
 private javax.swing.JPasswordField tfdPwd;
 private javax.swing.JPasswordField tfdPwd2;
 private javax.swing.JTextField tfdUuid;
 // End of variables declaration//GEN-END:variables

}

cn.hncu.bookStore.user.ui;

DeletePanel类：（删除用户模块）

/*
 * DeletePanel.java
 *
 * Created on __DATE__, __TIME__
 */

package cn.hncu.bookStore.user.ui;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

import cn.hncu.bookStore.common.UserTypeEnum;
import cn.hncu.bookStore.user.business.ebi.UserEbi;
import cn.hncu.bookStore.user.business.factory.UserEbiFactory;
import cn.hncu.bookStore.user.vo.UserModel;
import cn.hncu.bookStore.util.FileIoUtil;

/**
 *
 * @author 陈浩翔
 *
 * @version 1.0
 */
public class DeletePanel extends javax.swing.JPanel {
 private JFrame mainFrame = null;
 private String uuid = null;

 /** Creates new form DeletePanel
  * @param uuid */
 public DeletePanel(JFrame mainFrame, String uuid) {
  this.mainFrame = mainFrame;
  this.uuid = uuid;
  initComponents();
  myInitData();
 }

 private void myInitData() {
  UserEbi user = UserEbiFactory.getUserEbi();
  UserModel userModel = user.getSingle(uuid);
  tfdName.setText(userModel.getName());
  tfdUuid.setText(userModel.getUuid());
  tfdPwd.setText(userModel.getPwd());
  tfdType.setText(UserTypeEnum.getNameByType(userModel.getType()));

  tfdName.setEditable(false);
  tfdPwd.setEditable(false);
  tfdType.setEditable(false);
  tfdUuid.setEditable(false);

 }

 //GEN-BEGIN:initComponents
 // <editor-fold defaultstate="collapsed" desc="Generated Code">
 private void initComponents() {

  jLabel1 = new javax.swing.JLabel();
  jLabel2 = new javax.swing.JLabel();
  tfdName = new javax.swing.JTextField();
  jLabel3 = new javax.swing.JLabel();
  tfdUuid = new javax.swing.JTextField();
  jLabel4 = new javax.swing.JLabel();
  jLabel5 = new javax.swing.JLabel();
  tfdPwd = new javax.swing.JTextField();
  tfdType = new javax.swing.JTextField();
  btnBack = new javax.swing.JButton();
  btnDelete = new javax.swing.JButton();

  setMinimumSize(new java.awt.Dimension(800, 600));
  setLayout(null);

  jLabel1.setFont(new java.awt.Font("微软雅黑", 1, 48));
  jLabel1.setForeground(new java.awt.Color(204, 0, 0));
  jLabel1.setText("\u5220\u9664\u7528\u6237");
  add(jLabel1);
  jLabel1.setBounds(330, 30, 230, 80);

  jLabel2.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel2.setText("\u7528\u6237\u7c7b\u578b:");
  add(jLabel2);
  jLabel2.setBounds(100, 310, 90, 30);

  tfdName.setFont(new java.awt.Font("Dialog", 1, 18));
  tfdName.setAutoscrolls(false);
  add(tfdName);
  tfdName.setBounds(480, 160, 120, 30);

  jLabel3.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel3.setText("uuid:");
  add(jLabel3);
  jLabel3.setBounds(130, 160, 50, 30);

  tfdUuid.setFont(new java.awt.Font("Dialog", 0, 11));
  add(tfdUuid);
  tfdUuid.setBounds(200, 160, 110, 30);

  jLabel4.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel4.setText("\u59d3\u540d:");
  add(jLabel4);
  jLabel4.setBounds(420, 160, 50, 30);

  jLabel5.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel5.setText("\u5bc6\u7801:");
  add(jLabel5);
  jLabel5.setBounds(130, 240, 50, 30);

  tfdPwd.setFont(new java.awt.Font("Tahoma", 1, 12));
  add(tfdPwd);
  tfdPwd.setBounds(200, 240, 160, 30);

  tfdType.setFont(new java.awt.Font("Dialog", 1, 12));
  add(tfdType);
  tfdType.setBounds(200, 310, 160, 30);

  btnBack.setFont(new java.awt.Font("Dialog", 1, 24));
  btnBack.setForeground(new java.awt.Color(0, 204, 204));
  btnBack.setText("\u8fd4\u56de");
  btnBack.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnBackActionPerformed(evt);
   }
  });
  add(btnBack);
  btnBack.setBounds(540, 450, 120, 60);

  btnDelete.setFont(new java.awt.Font("Dialog", 1, 24));
  btnDelete.setForeground(new java.awt.Color(0, 204, 204));
  btnDelete.setText("\u5220\u9664");
  btnDelete.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnDeleteActionPerformed(evt);
   }
  });
  add(btnDelete);
  btnDelete.setBounds(210, 450, 120, 60);
 }// </editor-fold>
 //GEN-END:initComponents

 private void btnDeleteActionPerformed(java.awt.event.ActionEvent evt) {
  //3调用逻辑层
  if (UserEbiFactory.getUserEbi().delete(uuid)) {
   back();
  } else {
   JOptionPane.showMessageDialog(mainFrame, "该用户已经不存在!");
  }

  //4根据调用返回结果导向不同页面

 }

 private void btnBackActionPerformed(java.awt.event.ActionEvent evt) {
  back();
 }

 private void back() {
  mainFrame.setContentPane(new ListPanel(mainFrame));
  mainFrame.validate();
 }

 //GEN-BEGIN:variables
 // Variables declaration - do not modify
 private javax.swing.JButton btnBack;
 private javax.swing.JButton btnDelete;
 private javax.swing.JLabel jLabel1;
 private javax.swing.JLabel jLabel2;
 private javax.swing.JLabel jLabel3;
 private javax.swing.JLabel jLabel4;
 private javax.swing.JLabel jLabel5;
 private javax.swing.JTextField tfdName;
 private javax.swing.JTextField tfdPwd;
 private javax.swing.JTextField tfdType;
 private javax.swing.JTextField tfdUuid;
 // End of variables declaration//GEN-END:variables

}

cn.hncu.bookStore.user.ui;

UpdatePanel类：（修改用户模块）

/*
 * UpdatePanel.java
 *
 * Created on __DATE__, __TIME__
 */

package cn.hncu.bookStore.user.ui;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

import cn.hncu.bookStore.common.UserTypeEnum;
import cn.hncu.bookStore.user.business.ebi.UserEbi;
import cn.hncu.bookStore.user.business.factory.UserEbiFactory;
import cn.hncu.bookStore.user.vo.UserModel;

/**
 *
 * @author 陈浩翔
 *
 * @version 1.0
 */
public class UpdatePanel extends javax.swing.JPanel {
 private JFrame mainFrame = null;
 private String uuid = null;

 /**
  * Creates new form UpdatePanel
  *
  * @param uuid
  * @param mainFrame
  */
 public UpdatePanel(JFrame mainFrame, String uuid) {
  this.mainFrame = mainFrame;
  this.uuid = uuid;
  initComponents();
  myInitData();
 }

 private void myInitData() {
  UserEbi ebi = UserEbiFactory.getUserEbi();
  UserModel user = ebi.getSingle(uuid);
  tfdUuid.setText(user.getUuid());
  tfdUuid.setEditable(false);

  tfdName.setText(user.getName());
  tfdPwd.setText(user.getPwd());
  tfdPwd2.setText(user.getPwd());

  combType.removeAllItems();
  String usert = UserTypeEnum.getNameByType(user.getType());
  combType.addItem(usert);
  for (UserTypeEnum userType : UserTypeEnum.values()) {
   if (!userType.getName().equals(usert)) {
    combType.addItem(userType.getName());
   }
  }

 }

 // GEN-BEGIN:initComponents
 // <editor-fold defaultstate="collapsed" desc="Generated Code">
 private void initComponents() {

  jLabel1 = new javax.swing.JLabel();
  jLabel2 = new javax.swing.JLabel();
  tfdName = new javax.swing.JTextField();
  jLabel3 = new javax.swing.JLabel();
  tfdUuid = new javax.swing.JTextField();
  jLabel4 = new javax.swing.JLabel();
  tfdPwd2 = new javax.swing.JPasswordField();
  jLabel5 = new javax.swing.JLabel();
  jLabel6 = new javax.swing.JLabel();
  tfdPwd = new javax.swing.JPasswordField();
  combType = new javax.swing.JComboBox();
  btnBack = new javax.swing.JButton();
  btnUpdate = new javax.swing.JButton();

  setMinimumSize(new java.awt.Dimension(800, 600));
  setLayout(null);

  jLabel1.setFont(new java.awt.Font("微软雅黑", 1, 48));
  jLabel1.setForeground(new java.awt.Color(204, 0, 0));
  jLabel1.setText("\u4fee\u6539\u7528\u6237");
  add(jLabel1);
  jLabel1.setBounds(320, 30, 230, 80);

  jLabel2.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel2.setText("\u7528\u6237\u7c7b\u578b:");
  add(jLabel2);
  jLabel2.setBounds(90, 310, 90, 30);

  tfdName.setFont(new java.awt.Font("Dialog", 1, 18));
  tfdName.setAutoscrolls(false);
  add(tfdName);
  tfdName.setBounds(470, 160, 120, 30);

  jLabel3.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel3.setText("uuid:");
  add(jLabel3);
  jLabel3.setBounds(120, 160, 50, 30);

  tfdUuid.setFont(new java.awt.Font("Dialog", 1, 12));
  add(tfdUuid);
  tfdUuid.setBounds(190, 160, 110, 30);

  jLabel4.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel4.setText("\u59d3\u540d:");
  add(jLabel4);
  jLabel4.setBounds(410, 160, 50, 30);

  tfdPwd2.setFont(new java.awt.Font("Dialog", 1, 18));
  add(tfdPwd2);
  tfdPwd2.setBounds(470, 240, 170, 30);

  jLabel5.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel5.setText("\u5bc6\u7801:");
  add(jLabel5);
  jLabel5.setBounds(120, 240, 50, 30);

  jLabel6.setFont(new java.awt.Font("微软雅黑", 0, 18));
  jLabel6.setText("\u786e\u8ba4\u5bc6\u7801:");
  add(jLabel6);
  jLabel6.setBounds(380, 240, 90, 30);

  tfdPwd.setFont(new java.awt.Font("宋体", 1, 18));
  add(tfdPwd);
  tfdPwd.setBounds(190, 240, 160, 30);

  combType.setFont(new java.awt.Font("Dialog", 1, 12));
  combType.setForeground(new java.awt.Color(51, 0, 255));
  combType.setModel(new javax.swing.DefaultComboBoxModel(
    new String[] { "" }));
  add(combType);
  combType.setBounds(190, 310, 170, 30);

  btnBack.setFont(new java.awt.Font("Dialog", 1, 24));
  btnBack.setForeground(new java.awt.Color(0, 204, 204));
  btnBack.setText("\u8fd4\u56de");
  btnBack.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnBackActionPerformed(evt);
   }
  });
  add(btnBack);
  btnBack.setBounds(500, 430, 120, 60);

  btnUpdate.setFont(new java.awt.Font("Dialog", 1, 24));
  btnUpdate.setForeground(new java.awt.Color(0, 204, 204));
  btnUpdate.setText("\u4fee\u6539");
  btnUpdate.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnUpdateActionPerformed(evt);
   }
  });
  add(btnUpdate);
  btnUpdate.setBounds(170, 430, 120, 60);
 }// </editor-fold>
  // GEN-END:initComponents

 private void btnUpdateActionPerformed(java.awt.event.ActionEvent evt) {
  // 1收集参数
  String uuid = tfdUuid.getText();
  String name = tfdName.getText();
  String pwd = new String(tfdPwd.getPassword());
  String pwd2 = new String(tfdPwd2.getPassword());

  if (uuid.equals("") || uuid.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame, "用户ID为空，请重新输入！");
   return;
  }

  if (name.equals("") || name.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame, "用户名为空，请重新输入！");
   return;
  }

  if (!pwd.equals(pwd2) || pwd.equals("") || pwd.equals(null)
    || pwd2.equals("") || pwd2.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame, "两次密码输入不一致或密码为空，请重新输入！");
   return;
  }
  int type = 0;

  try {
   type = UserTypeEnum.getTypeByName(combType.getSelectedItem()
     .toString());
  } catch (Exception e) {
   JOptionPane.showMessageDialog(mainFrame, "请指定用户类型!");
   return;
  }

  // 2组织参数
  UserModel user = new UserModel();
  user.setName(name);
  user.setPwd(pwd);
  user.setType(type);
  user.setUuid(uuid);

  // 3调用逻辑层
  UserEbi ebi = UserEbiFactory.getUserEbi();

  // 4根据调用返回结果导向不同页面
  if (ebi.update(user)) {
   back();
  } else {
   JOptionPane.showMessageDialog(null, "该用户已经不存在!");
  }

 }

 private void btnBackActionPerformed(java.awt.event.ActionEvent evt) {
  back();
 }

 private void back() {
  mainFrame.setContentPane(new ListPanel(mainFrame));
  mainFrame.validate();
 }

 // GEN-BEGIN:variables
 // Variables declaration - do not modify
 private javax.swing.JButton btnBack;
 private javax.swing.JButton btnUpdate;
 private javax.swing.JComboBox combType;
 private javax.swing.JLabel jLabel1;
 private javax.swing.JLabel jLabel2;
 private javax.swing.JLabel jLabel3;
 private javax.swing.JLabel jLabel4;
 private javax.swing.JLabel jLabel5;
 private javax.swing.JLabel jLabel6;
 private javax.swing.JTextField tfdName;
 private javax.swing.JPasswordField tfdPwd;
 private javax.swing.JPasswordField tfdPwd2;
 private javax.swing.JTextField tfdUuid;
 // End of variables declaration//GEN-END:variables

}

cn.hncu.bookStore.user.ui;

ListPanel类（调用用户功能模块）

/*
 * ListPanel.java
 *
 * Created on __DATE__, __TIME__
 */

package cn.hncu.bookStore.user.ui;

import java.util.List;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

import cn.hncu.bookStore.user.business.ebi.UserEbi;
import cn.hncu.bookStore.user.business.factory.UserEbiFactory;
import cn.hncu.bookStore.user.vo.UserModel;

/**
 * 表现层-用户列表面板
 *
 * @author 陈浩翔
 * @version 1.0
 */
public class ListPanel extends javax.swing.JPanel {
 private JFrame mainFrame = null;

 /** Creates new form ListPanel */
 public ListPanel(JFrame mainFrame) {
  this.mainFrame = mainFrame;
  initComponents();
  myInitData();
 }

 /**
  * 读取所有用户并添加进列表
  */
 private void myInitData() {
  UserEbi user = UserEbiFactory.getUserEbi();
  List<UserModel> list = user.getAll();
  userLists.setListData(list.toArray());
 }

 //GEN-BEGIN:initComponents
 // <editor-fold defaultstate="collapsed" desc="Generated Code">
 private void initComponents() {

  jScrollPane1 = new javax.swing.JScrollPane();
  userLists = new javax.swing.JList();
  jLabel1 = new javax.swing.JLabel();
  btnToAdd = new javax.swing.JButton();
  btnToDelete = new javax.swing.JButton();
  btnToUpdate = new javax.swing.JButton();

  setMinimumSize(new java.awt.Dimension(800, 600));
  setLayout(null);

  userLists.setModel(new javax.swing.AbstractListModel() {
   String[] strings = { "" };

   public int getSize() {
    return strings.length;
   }

   public Object getElementAt(int i) {
    return strings[i];
   }
  });
  jScrollPane1.setViewportView(userLists);

  add(jScrollPane1);
  jScrollPane1.setBounds(170, 80, 480, 230);

  jLabel1.setFont(new java.awt.Font("Tahoma", 1, 48));
  jLabel1.setForeground(new java.awt.Color(204, 0, 51));
  jLabel1.setText("User List");
  add(jLabel1);
  jLabel1.setBounds(300, 0, 260, 80);

  btnToAdd.setFont(new java.awt.Font("Dialog", 1, 24));
  btnToAdd.setForeground(new java.awt.Color(0, 102, 102));
  btnToAdd.setText("\u6dfb\u52a0\u7528\u6237");
  btnToAdd.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnToAddActionPerformed(evt);
   }
  });
  add(btnToAdd);
  btnToAdd.setBounds(160, 350, 150, 50);

  btnToDelete.setFont(new java.awt.Font("Dialog", 1, 24));
  btnToDelete.setForeground(new java.awt.Color(0, 102, 102));
  btnToDelete.setText("\u5220\u9664\u7528\u6237");
  btnToDelete.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnToDeleteActionPerformed(evt);
   }
  });
  add(btnToDelete);
  btnToDelete.setBounds(510, 350, 150, 50);

  btnToUpdate.setFont(new java.awt.Font("Dialog", 1, 24));
  btnToUpdate.setForeground(new java.awt.Color(0, 102, 102));
  btnToUpdate.setText("\u4fee\u6539\u7528\u6237");
  btnToUpdate.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnToUpdateActionPerformed(evt);
   }
  });
  add(btnToUpdate);
  btnToUpdate.setBounds(160, 450, 150, 50);
 }// </editor-fold>
 //GEN-END:initComponents

 private void btnToUpdateActionPerformed(java.awt.event.ActionEvent evt) {
  UserModel user = (UserModel) userLists.getSelectedValue();

  if (user == null) {
   JOptionPane.showMessageDialog(mainFrame, "请选择要修改的用户!");
   return;
  }

  String uuid = user.getUuid();

  mainFrame.setContentPane(new UpdatePanel(mainFrame, uuid));
  mainFrame.validate();
 }

 private void btnToDeleteActionPerformed(java.awt.event.ActionEvent evt) {
  UserModel user = (UserModel) userLists.getSelectedValue();

  if (user == null) {
   JOptionPane.showMessageDialog(mainFrame, "请选择要删除的用户!");
   return;
  }

  String uuid = user.getUuid();

  mainFrame.setContentPane(new DeletePanel(mainFrame, uuid));
  mainFrame.validate();
 }

 private void btnToAddActionPerformed(java.awt.event.ActionEvent evt) {
  mainFrame.setContentPane(new AddPanel(mainFrame));
  mainFrame.validate();
 }

 //GEN-BEGIN:variables
 // Variables declaration - do not modify
 private javax.swing.JButton btnToAdd;
 private javax.swing.JButton btnToDelete;
 private javax.swing.JButton btnToUpdate;
 private javax.swing.JLabel jLabel1;
 private javax.swing.JScrollPane jScrollPane1;
 private javax.swing.JList userLists;
 // End of variables declaration//GEN-END:variables

}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持我们。

C++实现简单的职工管理系统实训代码

本文实例为大家分享了C++职工管理系统实例代码 1.单个职工的头文件 staff.h #ifndef STAFF_H_INCLUDED #define STAFF_H_INCLUDED //结构体创建 struct staff { char ID[10]; char name[10]; char sex[10]; int pay; int reward; int factpay; }; //自定义结构体 typedef struct staff staff; //单个职工信息创建 staff C
java开发就业信息管理系统

本文实例为大家分享了java就业信息管理平台开发案例,供大家参考,具体内容如下可查询公司信息,学生信息,班级信息,针对学生就业与否信息的统计,老师和管理员登录后的权限不同等就业信息管理平台想要实现的是各个班级的学生就业情况,数据库里建有6张表,分别是班级,公司,职位,学生,登录用户. 其中就业信息在界面上显示的内容是学生信息和职位的组合,在jsp页面中是拼接来实现,如果这个学生找到工作则需要填写就业信息,否则空着.如就业截图. 在企业信息中,需要实现的功能是首先有计划招聘时间,实际招聘时间,
Winform学生信息管理系统登陆窗体设计（1）

对这块的知识学习早已期待已久,感觉学习的进度还是慢了,最近一直在学习Winform,不得不说一些登陆窗体的设计,这几天算是小有收获,自己也看了许多这方面的知识,知道了要想做学生信息管理系统是一个漫长的过程,但是从今天起就来慢慢地进行学生信息管理系统的构建,此外还用到数据库的知识,打算着自己开始学数据库的知识,今天就来看看学生信息管理系统登录窗口的设计.下面图片的是样例: 这方面的知识还是基于C#语言和.NET Framework平台的.自己所用的还是熟悉的开发环境VS2012,感觉VS2013和
C++学生信息管理系统

本文实例为大家分享了C++学生信息管理系统源码,供大家参考,具体内容如下 1. tea_list.c #include<stdio.h> #include<stdlib.h> #include<string.h> #include"teacher.h" int sq_tea ; PTEA head = NULL ; FILE *fp ; int tea_llopen(const char* path)//打开文件 { fp=fopen(path,&q
ASP.NET实现学生管理系统

学生管理系统所需要的具体控件和主要属性: 1.登录窗体基本控件: label(标签控件) 主要属性:Image(在标签上显示的图像) Text(在标签上显示的文本) TextBox(文本框控件) 主要属性:PasswordChar(指示在作为密码框时,文本框中显示的字符,而不是实际输入的文本) Button(按钮控件) ComboBox(下拉框)属性:SelectedItem:获取当前选定的项事件:Click(单击控件时发生) private void butStyle_Click(obje
Java+Mysql学生管理系统源码

最近正在学java和数据库,想起以前写的学生管理系统,都是从网上下载,敷衍了事.闲来无事,也就自己写了一个,不过功能实现的不是很多. 开发语言:java: 开发环境:Mysql, java: 开发工具:eclipse 开发此案例,首先得在电脑上有java开发环境和Mysql, java开发环境与Mysql的搭建,就不再叙述了,如果需要,请联系我最下面的联系方式:dingyelf@aliyun.com 此次系统比较简易:数据库中只有一个表:stu;功能:能够对学生增加.删除.修改. 开发步骤:
JavaEE在线人数管理系统

这篇博客是filter.listener和servlet技术的相关总结,实现了简单的显示在线人数.在线人详细信息.管理员踢人功能下面是详细代码 web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http:
Android实现学生管理系统

本文实例为大家分享了Android实现学生管理系统的关键性代码,供大家参考,具体内容如下局部效果图: 实现代码: 1.布局 <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.itheima27.sutdentmanager&qu
C++实现简单的信息管理系统

本文为大家分享C++实现简单的信息管理系统,小编之前在学习的时候也要做一些管理系统,在网上查了许多资料,现在我把资料分享给大家,希望能够帮助到大家. #include <stdio.h> #include <stdlib.h> #include "file.h" void savaList(Node *head)/**把用户录入的数据存储到文件里面去方便下次读取*/ { FILE *fp=fopen("data\\data.txt" ,&qu
简单实现Java版学生管理系统

本文实例为大家分享了Java实现学生管理系统的具体代码,供大家参考,具体内容如下 package BookDemo_1; import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Test { public static void main(String[] args) { StudentSys stuSys=new StudentSys("学生管理系统"); stuSys.initWi

Java设计模块系列之书店管理系统单机版(三)

相关推荐

随机推荐